| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very difficult | 465 |
58.2%
|
| 2 | Somewhat difficult | 253 |
31.7%
|
| 3 | Not difficult at all | 75 |
9.4%
|
| 4 | (DK) | 6 |
0.8%
|
| 5 | (ref) | 0 |
0%
|
| Sysmiss | 201 |